Effects of season of birth on reproduction in contemporary humans: Brief communication
نویسندگان
چکیده
منابع مشابه
Effects of season of birth on reproduction in contemporary humans: brief communication.
BACKGROUND At high latitudes the external environment varies with season, and therefore the season of birth may contribute to the developmental processes during the perinatal period. METHODS We investigated the association between birth season and measures of reproductive performance (offspring count, percentage childless individuals) in a contemporary sample of women and men. RESULTS In th...
متن کاملSeason of Birth Effects on Reproduction in Women
Environmental conditions experienced during foetal and neonatal life influence early development with potential long-term consequences for later life events. In many parts of the world, the external environment varies with the season. This includes factors such as photoperiod, climatic factors, nutrition or prevalence of infectious agents. Birth season is one surrogate for the environmental con...
متن کاملfocus on communication in iranian high school language classes: a study of the role of teaching materials in changing the focus onto communication in language classes
چکیده ارتباط در کلاس به عوامل زیادی از جمله معلمان، دانش آموزان، برنامه های درسی و از همه مهم تر، مواد آموزشی وابسته است. در تدریس ارتباطی زبان که تاکید زیادی بر توانش ارتباطی دارد، کتاب درسی به عنوان عامل موثر بر پویایی کلاس محسوب میگردد که درس ها را از طریق فراهم آوردن متن ارتباط کلاسی و هم چنین نوع تمرین زبانی که دانش آموزان در طول فعالیت های کلاسی به آن مشغول اند، کنترل می کند. این حقیقت ک...
15 صفحه اولBrief communication: birth month influences reproductive performance in contemporary women.
BACKGROUND Season of birth has been reported to affect later reproduction in samples of pre-modern women and contemporary men. METHODS To examine whether the effect of birth date is also valid in contemporary women, we investigated the association between birth month and measures of reproductive performance (number of live-born children, % childless individuals) in a representative sample of ...
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ژورنال
عنوان ژورنال: Human Reproduction
سال: 2004
ISSN: 1460-2350
DOI: 10.1093/humrep/deh072